美国西北太平洋地区社会经济因素对人类野火的影响

IF 3 3区 农林科学 Q2 ECOLOGY Fire-Switzerland Pub Date : 2023-08-04 DOI:10.3390/fire6080300
Caitlyn Reilley, Mindy S. Crandall, J. Kline, John B. Kim, J. de Diego
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引用次数: 0

摘要

历史上的土地和火灾管理做法,加上气候变化和现代人类发展的压力,正在导致美国西部森林发生更大、更频繁、更严重的野火。在整个美国,人为点火是野火的主要原因,因此需要考虑人为点火原因和影响因素的野火管理策略。利用1992年至2018年俄勒冈州和华盛顿州104,000多个点火数据集,我们研究了野火点火的主要原因,并建立了回归模型,以评估喀斯喀特山脉西部和东部不同火种下的生物物理和社会经济因素对人为和自然点火的潜在影响。我们的研究结果证实了先前的研究结果,即收入、就业、人口密度和年龄等社会经济因素与人类点火显著相关。在太平洋西北部,我们发现社会经济因素对人类点火的重要性在喀斯喀特山脉的东西两侧有显著差异。我们还发现,大多数人为火灾都与娱乐或碎片和露天燃烧活动造成的火灾有关,这突出了制定野火预防措施以更好地控制高风险活动和减少意外火灾的机会。
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The Influence of Socioeconomic Factors on Human Wildfire Ignitions in the Pacific Northwest, USA
Historical land and fire management practices coupled with climate change and modern human development pressures are contributing to larger, more frequent, and more severe wildfires across Western U.S. forests. Human ignitions are the predominant cause of wildfire throughout the United States, necessitating wildfire management strategies that consider both the causes of human ignitions and the factors that influence them. Using a dataset of over 104,000 ignitions from 1992 to 2018 for Oregon and Washington (U.S), we examine the major causes of wildfire ignitions and build regression models to evaluate the potential influence of both biophysical and socioeconomic factors on human and natural ignitions across distinct fire regimes west and east of the Cascade Range. Our results corroborate prior findings that socioeconomic factors such as income, employment, population density, and age demographics are significantly correlated with human ignitions. In the Pacific Northwest, we found that the importance of socioeconomic factors on human ignitions differs significantly between the west and east sides of the Cascade Range. We also found that most human ignitions are linked to escaped fires from recreation or debris and open burning activities, highlighting opportunities to tailor wildfire prevention efforts to better control higher risk activities and reduce accidental ignitions.
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来源期刊
Fire-Switzerland
Fire-Switzerland Multiple-
CiteScore
3.10
自引率
15.60%
发文量
182
审稿时长
11 weeks
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